VI. Reg. of the Vert. Col.: Cerv. Reg.: Atypical Cerv. Vert: C7/Vertebra Prominens Flashcards
What names may be given to C7?
vertebra prominens and vertebral prominence
What names is given only to C7?
vertebra prominens
In what percent of men and of women does C7 become the vertebral prominence?
men: eighty-six percent and women: seventy-nine percent
What is the segment and gender bias for vertebrae other than C7 becoming the vertebral prominence?
C6 is more common in females and T1 is more common in males
What joint surfaces are present at the inferior margin of the vertebral body of C7?
the anterior and posterior margins of the inferior epiphyseal rim, cancellous bone
How many joint surfaces are present at the vertebral body of C7?
eight
What joint classifications are observed at the vertebral body of C7?
fibrous (ampiarthrosis) syndesmosis, cartilaginous (ampiarthrosis) symphysis and modified synovial saddle (diarthrosis sellar) joint
How many synovial joint surfaces are observed at the vertebral body of C7?
two
What muscle(s) attaches to the vertebral body of C7?
longus colli muscle
What muscles attach to the transverse process of C7?
middle scalene, iliocostalis thoracis, longissimus cervicis, semispinalis capitis, rotators, intertransversarii and levator costarum brevis
What is the orientation of the superior articular facet of C7?
backward, upward, medial BUM
What is the orientation of the inferior surface articular facet of C7?
forward, medial, downcard ForMeD
What muscles will attach to the articular process of C7?
longissimus cervicis, longissimus capitis, semispinalis cervicis and multifidis
What muscles attach to the spinous process of C7?
trapezius, rhomboid minor, serratus posterior superior, splenius capitis, spinalis capitis, spinalis cervicis, semispinalis thoracis, multifidis, rotators and interspinalis
What is the gender bias regarding size of the vertebral artery?
men have larger vertebral arteries than women
At what location will the vertebral artery from its first compensatory loop?
the atlanto-axial interspace
At what location will the vertebral artery from its second compensatory loop?
the atlanto-occipital interspace
At what segments will the vertebral artery be firmly attached to the transverse foramen?
both C1 and C2
What is the purpose of the vertebral artery loops between C2, C1 and occiput?
the increased length will accommodate the greater rotation at these locations
What artery is formed by the union of the right and left vertebral arteries?
the basilar artery
